Analysis
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max time kernel
144s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
24-03-2023 09:10
Static task
static1
Behavioral task
behavioral1
Sample
43969c35ffd02a1e8e0e52017556431dad6782b98eab2101434028d1abfc7954.exe
Resource
win10v2004-20230220-en
General
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Target
43969c35ffd02a1e8e0e52017556431dad6782b98eab2101434028d1abfc7954.exe
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Size
539KB
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MD5
8a4743e5f05b4d6cb48478014cb66b84
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SHA1
61a8224bac9f17c2836169955b6bb4d6e46f2653
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SHA256
43969c35ffd02a1e8e0e52017556431dad6782b98eab2101434028d1abfc7954
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SHA512
5426681b285af7e0e1bd729a7f243077c2758fae5fd93a09dd03ec5af47572b817eb5497a2da13449461d4bb0b4f95b1fe1b0ff592bd167c83fb4305d79ef0ff
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SSDEEP
12288:fMriy90zEEnfIG7hsRohi5khp1QYlxEI4+yH5/G/2:lyuEIwG72Roo5khvQYHBc5J
Malware Config
Extracted
redline
down
193.233.20.31:4125
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auth_value
12c31a90c72f5efae8c053a0bd339381
Extracted
redline
hero
193.233.20.31:4125
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auth_value
11f3c75a88ca461bcc8d6bf60a1193e3
Signatures
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Processes:
pro3166.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" pro3166.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" pro3166.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" pro3166.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" pro3166.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" pro3166.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection pro3166.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 33 IoCs
Processes:
resource yara_rule behavioral1/memory/860-158-0x0000000007130000-0x000000000716E000-memory.dmp family_redline behavioral1/memory/860-157-0x0000000007130000-0x000000000716E000-memory.dmp family_redline behavioral1/memory/860-160-0x0000000007130000-0x000000000716E000-memory.dmp family_redline behavioral1/memory/860-162-0x0000000007130000-0x000000000716E000-memory.dmp family_redline behavioral1/memory/860-164-0x0000000007130000-0x000000000716E000-memory.dmp family_redline behavioral1/memory/860-166-0x0000000007130000-0x000000000716E000-memory.dmp family_redline behavioral1/memory/860-168-0x0000000007130000-0x000000000716E000-memory.dmp family_redline behavioral1/memory/860-170-0x0000000007130000-0x000000000716E000-memory.dmp family_redline behavioral1/memory/860-172-0x0000000007130000-0x000000000716E000-memory.dmp family_redline behavioral1/memory/860-175-0x0000000007130000-0x000000000716E000-memory.dmp family_redline behavioral1/memory/860-177-0x0000000007130000-0x000000000716E000-memory.dmp family_redline behavioral1/memory/860-179-0x0000000007130000-0x000000000716E000-memory.dmp family_redline behavioral1/memory/860-181-0x0000000007130000-0x000000000716E000-memory.dmp family_redline behavioral1/memory/860-183-0x0000000007130000-0x000000000716E000-memory.dmp family_redline behavioral1/memory/860-185-0x0000000007130000-0x000000000716E000-memory.dmp family_redline behavioral1/memory/860-187-0x0000000007130000-0x000000000716E000-memory.dmp family_redline behavioral1/memory/860-189-0x0000000007130000-0x000000000716E000-memory.dmp family_redline behavioral1/memory/860-191-0x0000000007130000-0x000000000716E000-memory.dmp family_redline behavioral1/memory/860-193-0x0000000007130000-0x000000000716E000-memory.dmp family_redline behavioral1/memory/860-195-0x0000000007130000-0x000000000716E000-memory.dmp family_redline behavioral1/memory/860-197-0x0000000007130000-0x000000000716E000-memory.dmp family_redline behavioral1/memory/860-199-0x0000000007130000-0x000000000716E000-memory.dmp family_redline behavioral1/memory/860-201-0x0000000007130000-0x000000000716E000-memory.dmp family_redline behavioral1/memory/860-203-0x0000000007130000-0x000000000716E000-memory.dmp family_redline behavioral1/memory/860-205-0x0000000007130000-0x000000000716E000-memory.dmp family_redline behavioral1/memory/860-207-0x0000000007130000-0x000000000716E000-memory.dmp family_redline behavioral1/memory/860-209-0x0000000007130000-0x000000000716E000-memory.dmp family_redline behavioral1/memory/860-211-0x0000000007130000-0x000000000716E000-memory.dmp family_redline behavioral1/memory/860-213-0x0000000007130000-0x000000000716E000-memory.dmp family_redline behavioral1/memory/860-215-0x0000000007130000-0x000000000716E000-memory.dmp family_redline behavioral1/memory/860-217-0x0000000007130000-0x000000000716E000-memory.dmp family_redline behavioral1/memory/860-219-0x0000000007130000-0x000000000716E000-memory.dmp family_redline behavioral1/memory/860-221-0x0000000007130000-0x000000000716E000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
Processes:
unio9224.exepro3166.exequ1143.exesi780872.exepid process 1072 unio9224.exe 932 pro3166.exe 860 qu1143.exe 4444 si780872.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Processes:
pro3166.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" pro3166.exe -
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Adds Run key to start application 2 TTPs 4 IoCs
Processes:
43969c35ffd02a1e8e0e52017556431dad6782b98eab2101434028d1abfc7954.exeunio9224.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" 43969c35ffd02a1e8e0e52017556431dad6782b98eab2101434028d1abfc7954.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce unio9224.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\"" unio9224.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce 43969c35ffd02a1e8e0e52017556431dad6782b98eab2101434028d1abfc7954.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1612 860 WerFault.exe qu1143.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
pro3166.exequ1143.exesi780872.exepid process 932 pro3166.exe 932 pro3166.exe 860 qu1143.exe 860 qu1143.exe 4444 si780872.exe 4444 si780872.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
pro3166.exequ1143.exesi780872.exedescription pid process Token: SeDebugPrivilege 932 pro3166.exe Token: SeDebugPrivilege 860 qu1143.exe Token: SeDebugPrivilege 4444 si780872.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
43969c35ffd02a1e8e0e52017556431dad6782b98eab2101434028d1abfc7954.exeunio9224.exedescription pid process target process PID 3184 wrote to memory of 1072 3184 43969c35ffd02a1e8e0e52017556431dad6782b98eab2101434028d1abfc7954.exe unio9224.exe PID 3184 wrote to memory of 1072 3184 43969c35ffd02a1e8e0e52017556431dad6782b98eab2101434028d1abfc7954.exe unio9224.exe PID 3184 wrote to memory of 1072 3184 43969c35ffd02a1e8e0e52017556431dad6782b98eab2101434028d1abfc7954.exe unio9224.exe PID 1072 wrote to memory of 932 1072 unio9224.exe pro3166.exe PID 1072 wrote to memory of 932 1072 unio9224.exe pro3166.exe PID 1072 wrote to memory of 860 1072 unio9224.exe qu1143.exe PID 1072 wrote to memory of 860 1072 unio9224.exe qu1143.exe PID 1072 wrote to memory of 860 1072 unio9224.exe qu1143.exe PID 3184 wrote to memory of 4444 3184 43969c35ffd02a1e8e0e52017556431dad6782b98eab2101434028d1abfc7954.exe si780872.exe PID 3184 wrote to memory of 4444 3184 43969c35ffd02a1e8e0e52017556431dad6782b98eab2101434028d1abfc7954.exe si780872.exe PID 3184 wrote to memory of 4444 3184 43969c35ffd02a1e8e0e52017556431dad6782b98eab2101434028d1abfc7954.exe si780872.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\43969c35ffd02a1e8e0e52017556431dad6782b98eab2101434028d1abfc7954.exe"C:\Users\Admin\AppData\Local\Temp\43969c35ffd02a1e8e0e52017556431dad6782b98eab2101434028d1abfc7954.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3184 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\unio9224.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\unio9224.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1072 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro3166.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro3166.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:932
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu1143.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu1143.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:860 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 860 -s 13324⤵
- Program crash
PID:1612
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si780872.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si780872.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4444
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 860 -ip 8601⤵PID:920
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
175KB
MD57c11dfe7837f2079d50113de0e973682
SHA1fae072addd4d56ab67d08ab82da4aac5d7223960
SHA256442d9cc0073a6d45abbed64eb9891912091d444fe4dd368924d1b8cf7c59e65b
SHA51206085d23ead5955185736af64754c343a796af98b68c8013ba20b19a5c52eb92066698b86633d54438fe6ad5455c3c3c4625cf03d15439ab486e22388bd8cab7
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Filesize
175KB
MD57c11dfe7837f2079d50113de0e973682
SHA1fae072addd4d56ab67d08ab82da4aac5d7223960
SHA256442d9cc0073a6d45abbed64eb9891912091d444fe4dd368924d1b8cf7c59e65b
SHA51206085d23ead5955185736af64754c343a796af98b68c8013ba20b19a5c52eb92066698b86633d54438fe6ad5455c3c3c4625cf03d15439ab486e22388bd8cab7
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Filesize
397KB
MD57038b8caefddc1a1464117757dff1903
SHA1cf6f1e616e3acf661990a57a2e082551109b93ae
SHA256beae0464379459992b84fb5284d5c8c90945622c0669fe9258a484fe4d7d7869
SHA512182740ffde03cfdf3841e16eef0225fa2a11800a48b6a91a46ec743a7e571f4208ecf59e408990e1c5274ca26e944c9280544d275207941ee6e9858d303347f6
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Filesize
397KB
MD57038b8caefddc1a1464117757dff1903
SHA1cf6f1e616e3acf661990a57a2e082551109b93ae
SHA256beae0464379459992b84fb5284d5c8c90945622c0669fe9258a484fe4d7d7869
SHA512182740ffde03cfdf3841e16eef0225fa2a11800a48b6a91a46ec743a7e571f4208ecf59e408990e1c5274ca26e944c9280544d275207941ee6e9858d303347f6
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Filesize
11KB
MD57e93bacbbc33e6652e147e7fe07572a0
SHA1421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91
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Filesize
11KB
MD57e93bacbbc33e6652e147e7fe07572a0
SHA1421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91
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Filesize
355KB
MD5d46d85817ffe677eccea7a25bee6f535
SHA120779624ec9cc4b1cdfa13b32bd466b62faf9a5e
SHA256b6391d1b03b0c1f64d7cc98525dce649585e7b0387a0966ab75a3a8e998b9067
SHA512bd173b8bc1348ff94e80d910910dea0eca825eeaf6375617b21d200caa3190711124fb7af7f13bf0aeb0a6583753d5eb019bd35139dcfc2e3fe4042adb10d880
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Filesize
355KB
MD5d46d85817ffe677eccea7a25bee6f535
SHA120779624ec9cc4b1cdfa13b32bd466b62faf9a5e
SHA256b6391d1b03b0c1f64d7cc98525dce649585e7b0387a0966ab75a3a8e998b9067
SHA512bd173b8bc1348ff94e80d910910dea0eca825eeaf6375617b21d200caa3190711124fb7af7f13bf0aeb0a6583753d5eb019bd35139dcfc2e3fe4042adb10d880